protected override void OnPaintSurface(SKPaintSurfaceEventArgs e)
{
int width = e.Info.Size.Width;
int height = e.Info.Size.Height;
int size = width < height ? width : height;
float multiplier = width / (float)Width;
float margin = size * 0.01f * multiplier;
SKSurface surface = e.Surface;
SKCanvas canvas = surface.Canvas;
canvas.Clear();
if (!Visible)
{
return;
}
SKPoint center = new SKPoint();
center.X = width / 2.0f;
center.Y = height / 2.0f;
SKRect outerRect = new SKRect(margin, margin, width - margin, height - margin);
SKRect innerRect = new SKRect(margin + 4 * multiplier, margin + 4 * multiplier, width - margin - 4 * multiplier, height - margin - 4 * multiplier);
buttonPaint.Color = Tools.ToSkia(BackGround);
borderPaint.Color = Tools.ToSkia(ForeGround);
borderPaint.StrokeWidth = margin;
togglePaint.Color = borderPaint.Color;
textPaint.Color = Tools.ToSkia(TextColor);
textPaint.TextSize = margin * multiplier;
switch (TextScale)
{
case yGui.Scale.Smallest:
textPaint.TextSize *= 0.5f;
break;
case yGui.Scale.Small:
textPaint.TextSize *= 0.75f;
break;
case yGui.Scale.Big:
textPaint.TextSize *= 2f;
break;
case yGui.Scale.Huge:
textPaint.TextSize *= 3f;
break;
}
canvas.DrawCircle(center, size * 0.5f - margin, buttonPaint);
canvas.DrawCircle(center, size * 0.5f - margin, borderPaint);
if (IsToggle && Toggled)
{
canvas.DrawCircle(center, size * 0.5f - margin - 4 * multiplier, togglePaint);
}
if (Text != string.Empty)
{
center.Y += textPaint.TextSize * 0.35f;
canvas.DrawIconifiedText(Text, center.X, center.Y, textPaint);
}
}
public static void DrawIconifiedText(this SKCanvas canvas, string text, float x, float y, SKPaint paint)
{
canvas.DrawIconifiedText(text, x, y, SKTextRunLookup.Instance, paint);
}
